CMMG Resolute MK4 6mm ARC 16.1″ Midnight Bronze
$1494.17
Specs at a glance
About this product
The CMMG Resolute MK4 is an AR-platform modern sporting rifle chambered in 6mm ARC, designed to extend effective performance from an AR15-sized package. It features a medium-taper 16.1″ barrel on a .750″ mid-length gas system, an EML15 M-LOK handguard and CMMG RipStock for adjustable ergonomics. Controls are supplied as zeroed components, and the rifle ships with a 10-round CMMG magazine.
Key Specifications
- Chambering is 6mm ARC.
- The barrel measures 16.1 inches.
- The overall length is 32.5 inches.
- The unloaded weight is approximately 6.44 lbs.
- Magazine capacity is 10 rounds and a CMMG 10rd magazine is included.
- Action type is Semi-Automatic.
- Rate of twist is 1:7.5.
- Finish is Cerakote Midnight Bronze (bi-tone).
- Stock is a CMMG 6 Position RipStock (synthetic).
- Barrel features 5/8-24″ muzzle threads and includes a CMMG Zeroed muzzle brake.
This Resolute MK4 configuration brings extended-range capability to the AR15 platform without sacrificing handling or ergonomics. Built with practical features—M-LOK modularity, ambidextrous controls and a medium gas system—it’s suited for informed shooters seeking a high-performance, adaptable rifle platform in 6mm ARC.
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Sources & methodology.
Editorial review and rating by
Travis Caldwell
based on hands-on testing notes and published vendor specifications.
Pricing verified at time of publication.
$1494.17